 |
How
many cylinders does a hydraulic excavator have at most ? |
 |
| A hydraulic excavator's operation
body has the following three cylinders starting from the bottom;
"boom cylinder", "arm cylinder", and "bucket
cylinder". Mini types only has one of each, but there
is a kind that have two of each, total of six. Also, there
is a kind such as a loading shovel that can open and close
its bucket with another hydraulic cylinder installed inside
the bucket itself. |
 |
|